CN1272477A - Rare earth organic phosphatic fertilizer - Google Patents

Rare earth organic phosphatic fertilizer Download PDF

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Publication number
CN1272477A
CN1272477A CN 99114835 CN99114835A CN1272477A CN 1272477 A CN1272477 A CN 1272477A CN 99114835 CN99114835 CN 99114835 CN 99114835 A CN99114835 A CN 99114835A CN 1272477 A CN1272477 A CN 1272477A
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CN
China
Prior art keywords
rare earth
fertilizer
black liquor
organic phosphatic
earth organic
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Pending
Application number
CN 99114835
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Chinese (zh)
Inventor
肖洪云
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BAOTA PHOSPHATE FERTILIZER Co Ltd XIAOQUAN TOWN DEYANG
Original Assignee
BAOTA PHOSPHATE FERTILIZER Co Ltd XIAOQUAN TOWN DEYANG
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Application filed by BAOTA PHOSPHATE FERTILIZER Co Ltd XIAOQUAN TOWN DEYANG filed Critical BAOTA PHOSPHATE FERTILIZER Co Ltd XIAOQUAN TOWN DEYANG
Priority to CN 99114835 priority Critical patent/CN1272477A/en
Publication of CN1272477A publication Critical patent/CN1272477A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)

Abstract

A rare-earth organic phosphoric fertilizer is made up by using phosphorus ore, paper-making black liquor, fowl and livestock excrements and industrial sulfuric acid as main raw material through the process of adding a small quantity of rare earth, ball-grinding, mixing to make paste, homogenizing, curing and ageing so as to obtain the finished product. Said invented product is high in fertility and low in cost, and can make crops raise yield by 10-40%.

Description

Rare earth organic phosphatic fertilizer
The present invention relates to a kind of prescription and production method thereof of rare earth organic phosphatic fertilizer, especially the technology that black liquid and animal dung are used to produce fertilizer can be widely used in production of phosphate fertilizer.
The paper industry black digestion liquid all belongs to the source of pollution of keypoint treatment all over the world, wherein dissolving pulp accounts for 70% in global paper-making industry slurrying output, and the organic contamination of dissolving pulp black digestion liquid accounts in the pulping process and to pollute 90% of generating capacity.In China, family surplus middle-size and small-size paper plant has 9000, annual discharging number is with hundred million tons black liquor waste, the unprocessed basically river course that just enters of these black liquor wastes, cause water body biological oxygen demand (BOD) (BOD) and chemical oxygen demand (COD) to increase on the one hand, ecotope is caused pollution and the destruction that can't estimate, on the other hand, contain great number of organic matters and trace element fertilizer in the papermaking digesting black liquor, directly entering the river course also is a kind of wasting of resources.At the severe contamination that cause in the paper mill, country has handled each paper mill black liquor waste and has made undertake treatment within a prescribed limit of time strict regulation up to standard.And existing papermaking digesting black liquor waste treatment process, comprise that extracting lignin with cooking waste liquor makes fertilizer adhesive, pesticide slow-releasing agent, or with black liquor concentrate, methods such as solid substance separation, burning, all big, complex process, running cost height because of cost height, facility investment and initial cost, often cause secondary pollution, the sewage disposal device that has is invested even up to 30% of paper mill gross investment, its running cost generally exceeds the ability to bear in general middle-size and small-size paper mill! Therefore, can fully utilize, reduce cost and administer the papermaking digesting black liquor waste effectively, concerning the living or death of numerous paper mills, the Sustainable development of the paper industry ups and downs and country.
Purpose of the present invention is intended to reduce the paper mill effluent processing cost, turn waste into wealth, the papermaking digesting black liquor waste both had been used as the water source that produces phosphate fertilizer, make full use of the great number of organic matters and the micro-source of manure of making to produce phosphate fertilizer in the papermaking digesting black liquor again, produce and a kind ofly can replenish the required organic matter of soil, the structure of improving the soil, the rare earth organic phosphatic fertilizer of the required phosphorus of enough plant growth and other nutrition nutrient, increasing both production and income can be provided again.
Realize the prescription of the rare earth organic phosphatic fertilizer of above-mentioned purpose: by phosphorous (with P 2O 5Meter) Rock Phosphate (72Min BPL), papermaking digesting black liquor, animal dung and the industrial sulphuric acid greater than 26% mixes.Its usage ratio is by weight percentage:
Rock Phosphate (72Min BPL) is 50～60%, and the papermaking digesting black liquor is 30～45% of a Rock Phosphate (72Min BPL), and animal dung is 15～25%, and industrial sulphuric acid is 25～30%.
The prescription of rare earth organic phosphatic fertilizer also comprises rare earth, and the rare earth consumption is 0.1～0.13.
Produce the processing method of rare earth organic phosphatic fertilizer, comprise operations such as slurrying → mixedization → curing → slaking → make finished product, wherein:
A, pulping process comprises: I, be mixed into ball mill with the papermaking digesting black liquor after the Rock Phosphate (72Min BPL) fragmentation with weighing and make ore pulp, papermaking digesting black liquor in the ore pulp is controlled at 26～30%, the fineness of ore pulp is controlled at through 100 mesh sieves, screen over-size is not more than 10%, II, animal dung in fermentation vat 25 ℃～35 ℃, about 48 hours fermentation, the moisture content of animal dung remains on about 50% and is advisable, required interpolation moisture content is the papermaking digesting black liquor, III, to stir in the adding of the animal dung after the fermentation slime dam, make mixed pulp
B, mixedization are the mixed slip that changes in fertilizer mixer with the prepared mixed pulp of step a and the vitriol oil through measuring, and slip flows into the chamber of changing into and fully reacts, and inflow changes into the chamber slurry temperature and is controlled at 100 ℃～125 ℃, and free acid is controlled in 20～25%,
C, curing are slip to be solidified made bright fertilizer in 4～7 hours in changing into the chamber,
D, slaking are that aquatic foods fertilizer was stacked in the slaking storehouse 7～10 days, carry out turning simultaneously, make remaining acid and Vanadium Pentoxide in FLAKES continue to react and distribute unnecessary moisture content, make finished product.
The processing method of above-mentioned production rare earth organic phosphatic fertilizer adds 0.1～0.13% rare earth again and stirs in the slime dam of pulping process Step II I, other operation is constant.
Adopt rare earth organic phosphatic fertilizer prescription of the present invention and processing method, its advance and practicality are: 1, all utilize the papermaking digesting black liquor waste owing to make fertile required moisture content, thoroughly administered of the pollution of papermaking digesting black liquor to environment, resource has obtained comprehensive utilization, turn harm into good, and non-secondary pollution; 2, the present invention directly pours into ball mill with the papermaking digesting black liquor to be used for Rock Phosphate (72Min BPL) slurrying, only needing to insert pipeline gets final product, not needing to carry out waste liquid concentrates, separates, burns and the processing secondary pollution, capital construction and facility investment reduce greatly, almost there is not running cost, paper mill effluent comprehensive treating process cost has been saved a large amount of control expenses on the one hand not as good as original 1/tens, has also saved a large amount of cleaning water for phosphate fertilizer plant on the other hand; 3, owing to added rare earth, rare earth be it is called industry " monosodium glutamate ", and agricultural " VITAMIN " after the ABSORPTION OF RARE EARTH ELEMENTS BY CROPS, can change the quality of fruit, increases the weight of fruit; 4, owing to utilize organic waste to make raw material, greatly reduce the production cost of rare earth organic phosphatic fertilizer, its market value is far below similar inorganic composite fertilizer, 1.5～1.8 yuan of per 1% the nutrient prices of inorganic composite fertilizer, and only 1.1～1.2 yuan of per 1% nutrient prices of this product; 5, the present invention not only both had been used as the water source that produces phosphate fertilizer with the papermaking digesting black liquor waste, but also make full use of great number of organic matters in the papermaking digesting black liquor, ammonium sulphite that adds when trace element and papermaking digesting or ammoniacal liquor, utilize great number of organic matters and nitrogen in the animal dung, fertilizer that these are good and Rock Phosphate (72Min BPL), the rare earth organic phosphatic fertilizer that rare earth and industrial sulphuric acid are produced according to above-mentioned processing method is a beige, loose bulk or meal, prevented from caking, rotten, the available phosphorus of product 〉=12%, free acid≤5.5%, moisture content≤15%, organic 〉=3%, satisfy the requirement of general phosphate fertilizer, can provide comprehensive nutrient for crop, product is rich in phosphorus, nitrogen, potassium, calcium, sulphur, iron, macroelement such as magnesium and manganese, can replenish the required organic matter of soil and micro-after being manured into soil, strengthen soil water-retaining, fertilizer-preserving ability, make loosing soil, air permeability is good, water in the soil, gas, heat, fertile harmonious, be convenient to growth and development of plants.Through the big area extend trial, use this product after, crop generally increases production 10～40%, effect of increasing production is fairly obvious, shows that fully this product has reached the structure of improving the soil, enriches soil nutrient, the purpose of increasing both production and income.
Below by embodiment in detail the present invention is described in detail:
Fig. 1 is a process flow sheet of the present invention.
Embodiment one: a kind of prescription of rare earth organic phosphatic fertilizer: with the Rock Phosphate (72Min BPL) 55Kg that contains Vanadium Pentoxide in FLAKES 30%, animal dung 19.9Kg, concentration is 98% industrial sulphuric acid 25Kg, rare earth 0.1Kg, papermaking digesting black liquor 22Kg.
Produce the processing method of rare earth organic phosphatic fertilizer according to above-mentioned prescription: with reference to Fig. 1, Rock Phosphate (72Min BPL) after the fragmentation and papermaking digesting black liquor (black liquid among Fig. 1) are sent into together in the ball mill of Φ 1.83M * 6.4M and worn into ore pulp, the fineness of ore pulp is controlled at through 100 mesh sieves, screen over-size is not more than 10%, and the ore pulp after the screening enters stock tank; Animal dung is 25 ℃～35 ℃, about 48 hours fermentation in the fermentative processing pond, and required moisture content is the papermaking digesting black liquor; Stir in animal dung after the fermentation and the rare earth adding slime dam and make mixed pulp; The mixed slip that changes in fertilizer mixer with mixed pulp in the slime dam and industrial sulphuric acid, slip flows into the chamber of changing into and fully reacts, and inflow changes into the chamber slurry temperature and is controlled at 100 ℃～125 ℃, in actually operating, by regulating the industrial sulphuric acid consumption, the slip free acid is controlled in 20～25%; With slip in changing into the chamber, solidify made in 4～7 hours bright fertile, the waste gas that changes into indoor generation through in and liming neutralization reaction in the washing chamber, the innocuous gas that produces is discharged from smokestack by vacuum fan, another part throw out enters settling tank and precipitates, and the primary water of post precipitation (pH value 6～8) discharges again; Shovel into slaking storehouse and sampling inspection with forklift changing into indoor bright fertilizer, be convenient to production is regulated and control, bright fertile in the slaking storehouse, the stacking 7～10 days, carry out turning with forklift simultaneously, make remaining acid and Vanadium Pentoxide in FLAKES continue to react and distribute unnecessary moisture content, make quality product better, after sampling inspection reaches controlling index, can pack and dispatch from the factory.
According to the rare earth organic phosphatic fertilizer that above-mentioned prescription and processing method are produced, the every desired value of product:
Available phosphorus: 12.91%, potassium oxide: 0.48%, organic matter: 7.20%, total nitrogen: 1.02%, free acid: 4.18%, moisture content: 14.02%, rare earth: 0.1%
The internal control index (scope) of our company's rare earth organic phosphatic fertilizer:
Available phosphorus: 12%～14%, potassium oxide: 〉=0.3%, organic matter: 3%～10%, total nitrogen: 〉=0.5%, moisture content :≤15.0%, free acid: 3.5%～5.5%, rare earth: 〉=0.1%.
Embodiment two: a kind of prescription of rare earth organic phosphatic fertilizer: with the Rock Phosphate (72Min BPL) 50Kg that contains Vanadium Pentoxide in FLAKES 30%, animal dung 19.9Kg, concentration is 98% industrial sulphuric acid 30Kg, rare earth 0.1Kg, papermaking digesting black liquor 18Kg.
The processing method of producing this prescription rare earth organic phosphatic fertilizer is with embodiment one (summary).
According to the rare earth organic phosphatic fertilizer that above-mentioned prescription and processing method are produced, the every desired value of product:
Available phosphorus: 12.40%, potassium oxide: 0.48%, organic matter: 6.60%, total nitrogen: 0.98%, free acid: 5.05%, moisture content: 13.65%, rare earth: 0.1%.
Embodiment three: a kind of prescription of rare earth organic phosphatic fertilizer: with the Rock Phosphate (72Min BPL) 60Kg that contains Vanadium Pentoxide in FLAKES 30%, animal dung 14.9Kg, concentration is 98% industrial sulphuric acid 25Kg, rare earth 0.13Kg, papermaking digesting black liquor 27Kg.
The processing method of producing this prescription rare earth organic phosphatic fertilizer is with embodiment one (summary).
According to the rare earth organic phosphatic fertilizer that above-mentioned prescription and processing method are produced, the every desired value of product:
Available phosphorus: 13.08%, potassium oxide: 0.38%, organic matter: 5.52%, total nitrogen: 0.66%, free acid: 3.20%, moisture content; 14.28%, rare earth: 0.13%.
Embodiment four: a kind of prescription of rare earth organic phosphatic fertilizer: with the Rock Phosphate (72Min BPL) 50Kg that contains Vanadium Pentoxide in FLAKES 30%, animal dung 24.9Kg, concentration is 98% industrial sulphuric acid 25Kg, rare earth 0.12Kg, papermaking digesting black liquor 23Kg.
The processing method of producing this prescription rare earth organic phosphatic fertilizer is with embodiment one (summary).
According to the rare earth organic phosphatic fertilizer that above-mentioned prescription and processing method are produced, the every desired value of product:
Available phosphorus: 12.36%, potassium oxide: 0.69%, organic matter: 9.16%, total nitrogen: 1.15%, free acid: 4.60%, moisture content: 14.65%, rare earth: 0.12%.
In the various embodiments described above, adding rare earth is in order to change the quality of fruit, to increase the weight of fruit.As the case may be or limited by raw material, also can cancel rare earth, at this moment, not influence all other desired values of phosphate fertilizer product.
In sum, the present invention has not only solved emphasis, the difficult point problem of papermaking sewage discharging, and comprehensive regulation cost reduces greatly, extricates oneself from a plight for the paper mill and has opened up a new road.And turn waste into wealth, making full use of the nutrient that rare earth organic phosphatic fertilizer that papermaking digesting black liquor, animal dung produce has enriched fertilizer, its effect of increasing production, environmental benefit, economic benefit highly significant have formed the benign cycle of production, environmental protection.

Claims (5)

1, the prescription of rare earth organic phosphatic fertilizer is characterized in that: it is (with P by phosphorous 2O 5Meter) Rock Phosphate (72Min BPL), papermaking digesting black liquor, animal dung and the industrial sulphuric acid greater than 26% mixes.
2, according to the prescription of the described rare earth organic phosphatic fertilizer of claim 1, it is characterized in that: usage ratio by weight percentage:
Rock Phosphate (72Min BPL) is 50～60%, and the papermaking digesting black liquor is 30～45% of a Rock Phosphate (72Min BPL), and animal dung is 15～25%, and industrial sulphuric acid is 25～30%.
3, according to the prescription of the described rare earth organic phosphatic fertilizer of claim 1, it is characterized in that: also comprise rare earth, the rare earth consumption is 0.1～0.13%.
4, produce the processing method of rare earth organic phosphatic fertilizer, comprise operations such as slurrying → mixedization → curing → slaking → make finished product, it is characterized in that:
A, pulping process comprise: be mixed into ball mill with the papermaking digesting black liquor after I, the Rock Phosphate (72Min BPL) fragmentation with weighing and make ore pulp, papermaking digesting black liquor in the ore pulp is controlled at 26～30%, the fineness of ore pulp is controlled at through 100 mesh sieves, screen over-size is not more than 10%, II, animal dung be 25 ℃～35 ℃, about 48 hours fermentation in fermentation vat, and required interpolation moisture content is the papermaking digesting black liquor, and III, the animal dung after will fermenting add in the slime dam and stir, make mixed pulp
B, mixedization are the mixed slip that changes in fertilizer mixer with the prepared mixed pulp of step a and the vitriol oil through measuring, and slip flows into the chamber of changing into and fully reacts, and inflow changes into the chamber slurry temperature and is controlled at 100 ℃～125 ℃, and free acid is controlled in 20～25%,
C, curing are slip to be solidified made bright fertilizer in 4～7 hours in changing into the chamber,
D, slaking are that aquatic foods fertilizer was stacked in the slaking storehouse 7～10 days, carry out turning simultaneously, make remaining acid and Vanadium Pentoxide in FLAKES continue to react and distribute unnecessary moisture content, make finished product.
5, according to the processing method of the described production rare earth organic phosphatic fertilizer of claim 5, it is characterized in that: in the slime dam of pulping process Step II I, add 0.1～0.13% rare earth again and stir.
CN 99114835 1999-04-30 1999-04-30 Rare earth organic phosphatic fertilizer Pending CN1272477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99114835 CN1272477A (en) 1999-04-30 1999-04-30 Rare earth organic phosphatic fertilizer

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Application Number Priority Date Filing Date Title
CN 99114835 CN1272477A (en) 1999-04-30 1999-04-30 Rare earth organic phosphatic fertilizer

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CN1272477A true CN1272477A (en) 2000-11-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104213199A (en) * 2014-08-26 2014-12-17 横县桂华茧丝绸有限责任公司 Storage and preservation method for fresh cocoons before reeling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104213199A (en) * 2014-08-26 2014-12-17 横县桂华茧丝绸有限责任公司 Storage and preservation method for fresh cocoons before reeling

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